/* ============ SPONSORS SECTION ============ */
.sponsors-section {
  padding: 80px 20px;
  background: var(--bg-color-primary);
}

/* Header */
.sponsors-header {
  text-align: center;
  margin-bottom: 50px;
}

.sponsors-title {
  font-size: var(--h3-font-size);
  font-weight:var(--h3-font-weight);
  color: var(--heading-color-primary);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.sponsors-subtitle {
  font-size: var(--text-size-primary);
  color: var(--text-color-secondary);
  max-width: 620px;
  margin: 0 auto;
}

/* ============ GRID ============ */
.sponsors-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);   /* 5 per row desktop */
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

/* Sponsor Logo Card */
.sponsor-logo {
  background: #fff;
  border: 1px solid #eaeaea;
  border-radius: 14px;
  padding: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 120px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.sponsor-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: grayscale(0.4);
  opacity: 0.85;
  transition: all 0.3s ease;
}

/* Hover */
.sponsor-logo:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1);
  border-color: #7c3aed;
}

.sponsor-logo:hover img {
  filter: grayscale(0);
  opacity: 1;
  transform: scale(1.06);
}

/* ============ RESPONSIVE ============ */

/* Tablet large — 4 per row */
@media (max-width: 992px) {
  .sponsors-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }
}

/* Tablet — 3 per row */
@media (max-width: 768px) {
  .sponsors-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }

  .sponsor-logo {
    height: 100px;
    padding: 14px;
  }
}

/* Mobile — 2 per row */
@media (max-width: 600px) {
  .sponsors-section {
    padding: 60px 16px;
  }

  .sponsors-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .sponsor-logo {
    height: 90px;
    padding: 12px;
  }
}